Chapter 8 - XYZ Custom Plus

466Chapter 8 Real Numbers and Algebraic ExpressionsB Add the following numbers left to right. [Example 9]39. 24 1 (26) 1 (28)40. 35 1 (25) 1 (230)41. 2201 1 (2143) 1 (2101)42. 227 1 (256) 1 (289)43. 2321 1 752 1 (2324)44. 2571 1 437 1 (2502)45. 22 1 (25) 1 (26) 1 (27)46. 28 1 (23) 1 (24) 1 (27)47. 15 1 (230) 1 18 1 (220)48. 20 1 (215) 1 30 1 (218)49. 278 1 (242) 1 57 1 1350. 289 1 (251) 1 65 1 17B Use the rule for order of operations to simplify each of the following. [Example 10]51. (28 1 5) 1 (26 1 2)52. (23 1 1) 1 (29 1 4)53. (210 1 4) 1 (23 1 12)54. (211 1 5) 1 (23 1 2)55. 20 1 (230 1 50) 1 1056. 30 1 (240 1 20) 1 5057. 108 1 (2456 1 275)58. 106 1 (2512 1 318)59. [5 1 (28)] 1 [3 1 (211)]60. [8 1 (22)] 1 [5 1 (27)]61. [57 1 (235)] 1 [19 1 (224)]62. [63 1 (227)] 1 [18 1 (224)]Use the rule for addition of numbers to add the following fractions and decimals. [Examples 11–14]63. 21.3 1 (22.5)64. 29.1 1 (24.5)65. 24.8 1 (210.4)66. 29.5 1 (221.3)67. 25.35 1 2.35 1 (26.89)68. 29.48 1 5.48 1 (24.28)69. 2 5 } 61 12 1 } 6 270. 2 7 } 91 12 2 } 9 271.3} 1 7 12 } 5 7 272. 11 } 131 12 12 } 13 273. 2 2 } 51 3 } 51 12 4 } 5 274. 2 6 } 71 4 } 71 12 1 } 7 2